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Contract OI history

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Jan 15, 2027 EXPIRATION

MDLN $35.00 Put

MDLN270115P00035000

Latest saved OI570Oct 23, 2026
Last change+16vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MDLN $35.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5702850 2026-10-09: 496 OI2026-10-13: 516 OI2026-10-14: 522 OI2026-10-15: 531 OI2026-10-16: 538 OI2026-10-21: 554 OI2026-10-23: 570 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MDLN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026570+16
Oct 21, 2026Viewing554+16
Oct 16, 2026538+7
Oct 15, 2026531+9
Oct 14, 2026522+6
Oct 13, 2026516+20
Oct 09, 2026496No prior observation